Extracting prog: 2m35.291867869s Minimizing prog: 25m15.959570182s Simplifying prog options: 0s Extracting C: 35.145167118s Simplifying C: 12m44.202107049s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$fuse detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x2000005, &(0x7f0000003340), 0x1, 0x4fa, &(0x7f0000000cc0)="$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") syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000080)='./file1\x00', 0x3000010, &(0x7f00000002c0)={[{@errors_remount}, {@discard}]}, 0x1, 0x513, &(0x7f00000010c0)="$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") syz_mount_image$fuse(0x0, &(0x7f0000000e80)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0, 0x0, 0x0, 0x0, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$fuse detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x2000005, &(0x7f0000003340), 0x1, 0x4fa, &(0x7f0000000cc0)="$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") syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000080)='./file1\x00', 0x3000010, &(0x7f00000002c0)={[{@errors_remount}, {@discard}]}, 0x1, 0x513, &(0x7f00000010c0)="$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") syz_mount_image$fuse(0x0, &(0x7f0000000e80)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0, 0x0, 0x0, 0x0, 0x0) program crashed: possible deadlock in dquot_commit single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x2000005, &(0x7f0000003340), 0x1, 0x4fa, &(0x7f0000000cc0)="$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") syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000080)='./file1\x00', 0x3000010, &(0x7f00000002c0)={[{@errors_remount}, {@discard}]}, 0x1, 0x513, &(0x7f00000010c0)="$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") program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$fuse detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x2000005, &(0x7f0000003340), 0x1, 0x4fa, &(0x7f0000000cc0)="$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") syz_mount_image$fuse(0x0, &(0x7f0000000e80)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$fuse detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000080)='./file1\x00', 0x3000010, &(0x7f00000002c0)={[{@errors_remount}, {@discard}]}, 0x1, 0x513, &(0x7f00000010c0)="$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") syz_mount_image$fuse(0x0, &(0x7f0000000e80)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$fuse detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x2000005, &(0x7f0000003340), 0x1, 0x4fa, &(0x7f0000000cc0)="$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") syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000080)='./file1\x00', 0x3000010, &(0x7f00000002c0)={[{@errors_remount}, {@discard}]}, 0x1, 0x513, &(0x7f00000010c0)="$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") syz_mount_image$fuse(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$fuse program crashed: possible deadlock in dquot_commit simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$fuse program crashed: possible deadlock in dquot_commit testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$fuse program crashed: possible deadlock in dquot_commit testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$fuse program crashed: possible deadlock in dquot_commit testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$fuse program crashed: possible deadlock in dquot_commit testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$fuse program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$fuse program crashed: possible deadlock in dquot_commit testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_mount_image$ext4-syz_mount_image$fuse program crashed: possible deadlock in dquot_commit reproducing took 41m10.598734588s repro crashed as (corrupted=false): EXT4-fs error (device loop0) in ext4_process_orphan:347: Corrupt filesystem EXT4-fs (loop0): Remounting filesystem read-only EXT4-fs (loop0): 1 truncate cleaned up ====================================================== WARNING: possible circular locking dependency detected 6.1.132-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor265/4485 is trying to acquire lock: ffff0000e442e0a8 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x54/0x240 fs/quota/dquot.c:507 but task is already holding lock: ffff0000e27734b0 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_map_blocks+0x77c/0x1810 fs/ext4/inode.c:671 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&ei->i_data_sem/2){++++}-{3:3}: down_read+0x64/0x308 kernel/locking/rwsem.c:1520 ext4_map_blocks+0x2ac/0x1810 fs/ext4/inode.c:603 ext4_getblk+0x198/0x6e8 fs/ext4/inode.c:889 ext4_bread+0x3c/0x1b0 fs/ext4/inode.c:945 ext4_quota_write+0x230/0x54c fs/ext4/super.c:7165 write_blk fs/quota/quota_tree.c:70 [inline] get_free_dqblk+0x2a4/0x5d0 fs/quota/quota_tree.c:136 do_insert_tree+0x200/0xeac fs/quota/quota_tree.c:347 do_insert_tree+0x808/0xeac fs/quota/quota_tree.c:402 do_insert_tree+0x808/0xeac fs/quota/quota_tree.c:402 do_insert_tree+0x808/0xeac fs/quota/quota_tree.c:402 dq_insert_tree fs/quota/quota_tree.c:432 [inline] qtree_write_dquot+0x3c8/0x4d8 fs/quota/quota_tree.c:451 v2_write_dquot+0xf4/0x188 fs/quota/quota_v2.c:361 dquot_acquire+0x2c4/0x5c4 fs/quota/dquot.c:472 ext4_acquire_dquot+0x270/0x420 fs/ext4/super.c:6791 dqget+0x660/0xcec fs/quota/dquot.c:988 __dquot_initialize+0x344/0xc04 fs/quota/dquot.c:1517 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1579 ext4_process_orphan+0x5c/0x2b8 fs/ext4/orphan.c:329 ext4_orphan_cleanup+0x974/0x1134 fs/ext4/orphan.c:474 __ext4_fill_super fs/ext4/super.c:5523 [inline] ext4_fill_super+0x6f00/0x73a4 fs/ext4/super.c:5654 get_tree_bdev+0x360/0x54c fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5684 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x278/0x8fc fs/namespace.c:3056 path_mount+0x590/0xe5c fs/namespace.c:3386 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount fs/namespace.c:3584 [inline] __arm64_sys_mount+0x498/0x588 fs/namespace.c:3584 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 -> #1 (&s->s_dquot.dqio_sem){++++}-{3:3}: down_read+0x64/0x308 kernel/locking/rwsem.c:1520 v2_read_dquot+0x50/0x11c fs/quota/quota_v2.c:335 dquot_acquire+0x130/0x5c4 fs/quota/dquot.c:463 ext4_acquire_dquot+0x270/0x420 fs/ext4/super.c:6791 dqget+0x660/0xcec fs/quota/dquot.c:988 __dquot_initialize+0x344/0xc04 fs/quota/dquot.c:1517 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1579 ext4_process_orphan+0x5c/0x2b8 fs/ext4/orphan.c:329 ext4_orphan_cleanup+0x974/0x1134 fs/ext4/orphan.c:474 __ext4_fill_super fs/ext4/super.c:5523 [inline] ext4_fill_super+0x6f00/0x73a4 fs/ext4/super.c:5654 get_tree_bdev+0x360/0x54c fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5684 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x278/0x8fc fs/namespace.c:3056 path_mount+0x590/0xe5c fs/namespace.c:3386 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount fs/namespace.c:3584 [inline] __arm64_sys_mount+0x498/0x588 fs/namespace.c:3584 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 -> #0 (&dquot->dq_lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3825 [inline] __lock_acquire+0x3338/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 dquot_commit+0x54/0x240 fs/quota/dquot.c:507 ext4_write_dquot+0x1b4/0x314 fs/ext4/super.c:6771 ext4_mark_dquot_dirty+0xe8/0x140 fs/ext4/super.c:6831 mark_dquot_dirty fs/quota/dquot.c:372 [inline] mark_all_dquot_dirty+0x108/0x424 fs/quota/dquot.c:412 __dquot_alloc_space+0xb28/0xf50 fs/quota/dquot.c:1752 dquot_alloc_space_nodirty include/linux/quotaops.h:300 [inline] dquot_alloc_space include/linux/quotaops.h:313 [inline] dquot_alloc_block include/linux/quotaops.h:337 [inline] ext4_mb_new_blocks+0xe8c/0x4680 fs/ext4/mballoc.c:5727 ext4_ext_map_blocks+0x15a8/0x6638 fs/ext4/extents.c:4339 ext4_map_blocks+0x810/0x1810 fs/ext4/inode.c:678 ext4_getblk+0x198/0x6e8 fs/ext4/inode.c:889 ext4_bread+0x3c/0x1b0 fs/ext4/inode.c:945 ext4_append+0x260/0x4cc fs/ext4/namei.c:83 ext4_init_new_dir+0x2b0/0x588 fs/ext4/namei.c:3030 ext4_mkdir+0x3d4/0xa64 fs/ext4/namei.c:3076 vfs_mkdir+0x334/0x4e4 fs/namei.c:4106 do_mkdirat+0x220/0x510 fs/namei.c:4131 __do_sys_mkdirat fs/namei.c:4146 [inline] __se_sys_mkdirat fs/namei.c:4144 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4144 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 other info that might help us debug this: Chain exists of: &dquot->dq_lock --> &s->s_dquot.dqio_sem --> &ei->i_data_sem/2 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ei->i_data_sem/2); lock(&s->s_dquot.dqio_sem); lock(&ei->i_data_sem/2); lock(&dquot->dq_lock); *** DEADLOCK *** 4 locks held by syz-executor265/4485: #0: ffff0000cdfba460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:393 #1: ffff0000e2777258 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline] #1: ffff0000e2777258 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: filename_create+0x204/0x468 fs/namei.c:3876 #2: ffff0000e27734b0 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_map_blocks+0x77c/0x1810 fs/ext4/inode.c:671 #3: ffff800015e0f768 (dquot_srcu){....}-{0:0}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:349 stack backtrace: CPU: 1 PID: 4485 Comm: syz-executor265 Not tainted 6.1.132-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2048 check_noncircular+0x2cc/0x378 kernel/locking/lockdep.c:2170 check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3825 [inline] __lock_acquire+0x3338/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 dquot_commit+0x54/0x240 fs/quota/dquot.c:507 ext4_write_dquot+0x1b4/0x314 fs/ext4/super.c:6771 ext4_mark_dquot_dirty+0xe8/0x140 fs/ext4/super.c:6831 mark_dquot_dirty fs/quota/dquot.c:372 [inline] mark_all_dquot_dirty+0x108/0x424 fs/quota/dquot.c:412 __dquot_alloc_space+0xb28/0xf50 fs/quota/dquot.c:1752 dquot_alloc_space_nodirty include/linux/quotaops.h:300 [inline] dquot_alloc_space include/linux/quotaops.h:313 [inline] dquot_alloc_block include/linux/quotaops.h:337 [inline] ext4_mb_new_blocks+0xe8c/0x4680 fs/ext4/mballoc.c:5727 ext4_ext_map_blocks+0x15a8/0x6638 fs/ext4/extents.c:4339 ext4_map_blocks+0x810/0x1810 fs/ext4/inode.c:678 ext4_getblk+0x198/0x6e8 fs/ext4/inode.c:889 ext4_bread+0x3c/0x1b0 fs/ext4/inode.c:945 ext4_append+0x260/0x4cc fs/ext4/namei.c:83 ext4_init_new_dir+0x2b0/0x588 fs/ext4/namei.c:3030 ext4_mkdir+0x3d4/0xa64 fs/ext4/namei.c:3076 vfs_mkdir+0x334/0x4e4 fs/namei.c:4106 do_mkdirat+0x220/0x510 fs/namei.c:4131 __do_sys_mkdirat fs/namei.c:4146 [inline] __se_sys_mkdirat fs/namei.c:4144 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4144 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 final repro crashed as (corrupted=false): EXT4-fs error (device loop0) in ext4_process_orphan:347: Corrupt filesystem EXT4-fs (loop0): Remounting filesystem read-only EXT4-fs (loop0): 1 truncate cleaned up ====================================================== WARNING: possible circular locking dependency detected 6.1.132-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor265/4485 is trying to acquire lock: ffff0000e442e0a8 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x54/0x240 fs/quota/dquot.c:507 but task is already holding lock: ffff0000e27734b0 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_map_blocks+0x77c/0x1810 fs/ext4/inode.c:671 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&ei->i_data_sem/2){++++}-{3:3}: down_read+0x64/0x308 kernel/locking/rwsem.c:1520 ext4_map_blocks+0x2ac/0x1810 fs/ext4/inode.c:603 ext4_getblk+0x198/0x6e8 fs/ext4/inode.c:889 ext4_bread+0x3c/0x1b0 fs/ext4/inode.c:945 ext4_quota_write+0x230/0x54c fs/ext4/super.c:7165 write_blk fs/quota/quota_tree.c:70 [inline] get_free_dqblk+0x2a4/0x5d0 fs/quota/quota_tree.c:136 do_insert_tree+0x200/0xeac fs/quota/quota_tree.c:347 do_insert_tree+0x808/0xeac fs/quota/quota_tree.c:402 do_insert_tree+0x808/0xeac fs/quota/quota_tree.c:402 do_insert_tree+0x808/0xeac fs/quota/quota_tree.c:402 dq_insert_tree fs/quota/quota_tree.c:432 [inline] qtree_write_dquot+0x3c8/0x4d8 fs/quota/quota_tree.c:451 v2_write_dquot+0xf4/0x188 fs/quota/quota_v2.c:361 dquot_acquire+0x2c4/0x5c4 fs/quota/dquot.c:472 ext4_acquire_dquot+0x270/0x420 fs/ext4/super.c:6791 dqget+0x660/0xcec fs/quota/dquot.c:988 __dquot_initialize+0x344/0xc04 fs/quota/dquot.c:1517 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1579 ext4_process_orphan+0x5c/0x2b8 fs/ext4/orphan.c:329 ext4_orphan_cleanup+0x974/0x1134 fs/ext4/orphan.c:474 __ext4_fill_super fs/ext4/super.c:5523 [inline] ext4_fill_super+0x6f00/0x73a4 fs/ext4/super.c:5654 get_tree_bdev+0x360/0x54c fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5684 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x278/0x8fc fs/namespace.c:3056 path_mount+0x590/0xe5c fs/namespace.c:3386 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount fs/namespace.c:3584 [inline] __arm64_sys_mount+0x498/0x588 fs/namespace.c:3584 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 -> #1 (&s->s_dquot.dqio_sem){++++}-{3:3}: down_read+0x64/0x308 kernel/locking/rwsem.c:1520 v2_read_dquot+0x50/0x11c fs/quota/quota_v2.c:335 dquot_acquire+0x130/0x5c4 fs/quota/dquot.c:463 ext4_acquire_dquot+0x270/0x420 fs/ext4/super.c:6791 dqget+0x660/0xcec fs/quota/dquot.c:988 __dquot_initialize+0x344/0xc04 fs/quota/dquot.c:1517 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1579 ext4_process_orphan+0x5c/0x2b8 fs/ext4/orphan.c:329 ext4_orphan_cleanup+0x974/0x1134 fs/ext4/orphan.c:474 __ext4_fill_super fs/ext4/super.c:5523 [inline] ext4_fill_super+0x6f00/0x73a4 fs/ext4/super.c:5654 get_tree_bdev+0x360/0x54c fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5684 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x278/0x8fc fs/namespace.c:3056 path_mount+0x590/0xe5c fs/namespace.c:3386 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount fs/namespace.c:3584 [inline] __arm64_sys_mount+0x498/0x588 fs/namespace.c:3584 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 -> #0 (&dquot->dq_lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3825 [inline] __lock_acquire+0x3338/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 dquot_commit+0x54/0x240 fs/quota/dquot.c:507 ext4_write_dquot+0x1b4/0x314 fs/ext4/super.c:6771 ext4_mark_dquot_dirty+0xe8/0x140 fs/ext4/super.c:6831 mark_dquot_dirty fs/quota/dquot.c:372 [inline] mark_all_dquot_dirty+0x108/0x424 fs/quota/dquot.c:412 __dquot_alloc_space+0xb28/0xf50 fs/quota/dquot.c:1752 dquot_alloc_space_nodirty include/linux/quotaops.h:300 [inline] dquot_alloc_space include/linux/quotaops.h:313 [inline] dquot_alloc_block include/linux/quotaops.h:337 [inline] ext4_mb_new_blocks+0xe8c/0x4680 fs/ext4/mballoc.c:5727 ext4_ext_map_blocks+0x15a8/0x6638 fs/ext4/extents.c:4339 ext4_map_blocks+0x810/0x1810 fs/ext4/inode.c:678 ext4_getblk+0x198/0x6e8 fs/ext4/inode.c:889 ext4_bread+0x3c/0x1b0 fs/ext4/inode.c:945 ext4_append+0x260/0x4cc fs/ext4/namei.c:83 ext4_init_new_dir+0x2b0/0x588 fs/ext4/namei.c:3030 ext4_mkdir+0x3d4/0xa64 fs/ext4/namei.c:3076 vfs_mkdir+0x334/0x4e4 fs/namei.c:4106 do_mkdirat+0x220/0x510 fs/namei.c:4131 __do_sys_mkdirat fs/namei.c:4146 [inline] __se_sys_mkdirat fs/namei.c:4144 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4144 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 other info that might help us debug this: Chain exists of: &dquot->dq_lock --> &s->s_dquot.dqio_sem --> &ei->i_data_sem/2 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ei->i_data_sem/2); lock(&s->s_dquot.dqio_sem); lock(&ei->i_data_sem/2); lock(&dquot->dq_lock); *** DEADLOCK *** 4 locks held by syz-executor265/4485: #0: ffff0000cdfba460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:393 #1: ffff0000e2777258 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline] #1: ffff0000e2777258 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: filename_create+0x204/0x468 fs/namei.c:3876 #2: ffff0000e27734b0 (&ei->i_data_sem/2){++++}-{3:3}, at: ext4_map_blocks+0x77c/0x1810 fs/ext4/inode.c:671 #3: ffff800015e0f768 (dquot_srcu){....}-{0:0}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:349 stack backtrace: CPU: 1 PID: 4485 Comm: syz-executor265 Not tainted 6.1.132-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2048 check_noncircular+0x2cc/0x378 kernel/locking/lockdep.c:2170 check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3825 [inline] __lock_acquire+0x3338/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 dquot_commit+0x54/0x240 fs/quota/dquot.c:507 ext4_write_dquot+0x1b4/0x314 fs/ext4/super.c:6771 ext4_mark_dquot_dirty+0xe8/0x140 fs/ext4/super.c:6831 mark_dquot_dirty fs/quota/dquot.c:372 [inline] mark_all_dquot_dirty+0x108/0x424 fs/quota/dquot.c:412 __dquot_alloc_space+0xb28/0xf50 fs/quota/dquot.c:1752 dquot_alloc_space_nodirty include/linux/quotaops.h:300 [inline] dquot_alloc_space include/linux/quotaops.h:313 [inline] dquot_alloc_block include/linux/quotaops.h:337 [inline] ext4_mb_new_blocks+0xe8c/0x4680 fs/ext4/mballoc.c:5727 ext4_ext_map_blocks+0x15a8/0x6638 fs/ext4/extents.c:4339 ext4_map_blocks+0x810/0x1810 fs/ext4/inode.c:678 ext4_getblk+0x198/0x6e8 fs/ext4/inode.c:889 ext4_bread+0x3c/0x1b0 fs/ext4/inode.c:945 ext4_append+0x260/0x4cc fs/ext4/namei.c:83 ext4_init_new_dir+0x2b0/0x588 fs/ext4/namei.c:3030 ext4_mkdir+0x3d4/0xa64 fs/ext4/namei.c:3076 vfs_mkdir+0x334/0x4e4 fs/namei.c:4106 do_mkdirat+0x220/0x510 fs/namei.c:4131 __do_sys_mkdirat fs/namei.c:4146 [inline] __se_sys_mkdirat fs/namei.c:4144 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4144 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585